The Hebrew Bible published by Talmudic Jewish groups should always be suspected of some kind of tampering.
The Masoretic which Rabbi Akiva tampered with definitely has errors introduced. These errors are ironed out by the NT and the Alexandrian Septuagint. Even the Alex-Septuagint has errors.....but again, it is valuable and we know where those errors are (Ex 12:40 for example). Altogether what we have today is quite superb and trustworthy.
Exodus 12:40 KJV
"Now the sojourning of the children of Israel, who dwelt in Egypt,
was four hundred and thirty years."
The Septuagint version adds, "and in the land of Canaan"; and the Samaritan version is,
``the sojourning of the children of Israel, and of their fathers, in the land of Canaan, and in the land of Egypt.''
Agreeably to which are both the Talmuds: in one F15 of them the words are,
``in Egypt and in all lands,''
and in the other F16,
``in Egypt, and in the rest of the lands;''